File indexing completed on 2024-05-12 04:50:07

 /*
     SPDX-FileCopyrightText: 2003-2005 Max Howell <max.howell@methylblue.com>                       *
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef BLOCKANALYZER_H
 #define BLOCKANALYZER_H
 
 #include "analyzerBase.h"
 
 #include <QColor>
 #include <QContextMenuEvent>
 #include <QMouseEvent>
 #include <QPixmap>
 #include <QResizeEvent>
 
 class QPalette;
 
 /**
  * @author Max Howell
  */
 
 class BlockAnalyzer : public Analyzer::Base2D
 {
 public:
     explicit BlockAnalyzer(QWidget *);
     ~BlockAnalyzer() override;
 
     // Signed ints because most of what we compare them against are ints
     static const int HEIGHT = 2;
     static const int WIDTH = 4;
     static const int MIN_ROWS = 48; // arbitrary
     static const int MIN_COLUMNS = 128; // arbitrary
     static const int MAX_COLUMNS = 128; // must be 2**n
     static const int FADE_SIZE = 90;
 
 protected:
     void transform(QVector<float> &) override;
     void analyze(const QVector<float> &) override;
     void paintEvent(QPaintEvent *) override;
     void resizeEvent(QResizeEvent *) override;
     void paletteChange(const QPalette &);
 
     void drawBackground();
     void determineStep();
 
 private:
     QPixmap *bar()
     {
         return &m_barPixmap;
     }
 
     uint m_columns, m_rows; // number of rows and columns of blocks
     uint m_y; // y-offset from top of widget
     QPixmap m_barPixmap;
     QPixmap m_topBarPixmap;
     QVector<float> m_scope; // so we don't create a vector every frame
     std::vector<float> m_store; // current bar heights
     std::vector<float> m_yscale;
 
     // FIXME why can't I namespace these? c++ issue?
     std::vector<QPixmap> m_fade_bars;
     std::vector<uint> m_fade_pos;
     std::vector<int> m_fade_intensity;
     QPixmap m_background;
 
     float m_step; // rows to fall per frame
 };
 
 #endif